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      <h1 class="p_Heading1" style="page-break-after: avoid;"><span class="f_Heading1">Active Belts</span></h1>

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<p class="p_Normal">Active Belts help to transmit the driver the sensation of braking, together with the MotionCueing, during a drive on the simulator; in fact, it would be impossible to give the sensation of braking to the driver only moving the platform, because of space constraint. </p>
<p class="p_Normal">Active Belts are correlated to the longitudinal acceleration of the vehicle; as a negative longitudinal acceleration is developed, the belts apply a force to the driver, giving the sensation of the inertial forces. This helps to understand the entity of the brake and to reduce motion sickness.</p>
<p class="p_Normal">&nbsp;</p>
<p class="p_Normal">Active Belts are available in three different configurations:</p>
<p class="p_Normal">&nbsp;</p>
<p style="text-align: justify; text-indent: 0px; padding: 0px 0px 0px 20px; margin: 0px 0px 0px 0px;"><span style="font-size:10pt; font-family: 'Arial';color:#000000;display:inline-block;width:20px;margin-left:-20px">I.</span>Three points belts with Single Pneumatic Muscle</p><p style="text-align: justify; text-indent: 0px; padding: 0px 0px 0px 20px; margin: 0px 0px 0px 0px;"><span style="font-size:10pt; font-family: 'Arial';color:#000000;display:inline-block;width:20px;margin-left:-20px">II.</span>Five points belts with Single Pneumatic Muscle</p><p style="text-align: justify; text-indent: 0px; padding: 0px 0px 0px 20px; margin: 0px 0px 0px 0px;"><span style="font-size:10pt; font-family: 'Arial';color:#000000;display:inline-block;width:20px;margin-left:-20px">III.</span> Five points belts with Double Pneumatic Muscle</p><p class="p_Normal">&nbsp;</p>
<p class="p_Normal" style="text-align: center;"><img alt="Active_belts" width="957" height="387" style="margin:0px auto 0px auto;width:957px;height:387px;border:none" src="active_belts.png"/></p>
<p class="p_Normal" style="text-align: center;">&nbsp;</p>
<p class="p_Normal">&nbsp;</p>
<p class="p_Normal">For I and II configuration the behaviour is symmetrical, only based on the longitudinal acceleration; for the configuration III it is possible to have an asymmetric behaviour, where also the lateral acceleration is considered in the calculation of the pulling force. In this case, the belt on the external side will pull more than the belt on the inside, giving the sensation of the combined lateral and longitudinal acceleration.</p>
<p class="p_Normal">In the <span style="font-style: italic;">VI-Control Panel</span> it is possible to activate/deactivate active belts and to set the Belt Pulling Scale. Also other parameters can be modified in order to reach the best feeling for the driver.</p>
<p class="p_Normal">&nbsp;</p>
<p class="p_Normal">Active belts software logic is implemented in <span style="font-style: italic;">iodb_elab</span> executable file, to configure RTDB values please refer to <a href="drvsim_active_belts_configuration.htm" class="topiclink">next sub-chapter</a>.</p>
<p class="p_Normal">To configure other variables (i.e. torque constant of the electric motor, etc.) please refer to <span style="font-style: italic;">iodb_elab</span> section.</p>

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